Brian Stott is Principal Consultant to PCA, which he jointly founded in January 1984.Originally, he worked in the power system analysis area at universities in several countries.Then he spent 7 years at CEPEL, the Brazilian Electric Power Research Institute, as leader of the EMS applications group.
During this time, the group developed advanced network application functions for the Brazilian national and utility control centers.He has worked in most areas of power system network analysis, and was an originator of methods in worldwide use, in the fields of fast decoupled load flow, sparse matrix techniques, optimal power flow and network equivalents.He has been a consultant to many companies in various countries, and has taken part in many expert panels, advanced courses and symposiums.He received the Ph.D. in electrical engineering from UMIST, Manchester, UK, and in 1983 was elected as a Fellow of the IEEE for "Contributions to the advancement of computational methods for solutions to power system network problems".He
is a recipient of the IEEE Millennium Medal for outstanding contributions to the power engineering field.
Narasimham Vempati is a Principal of PCA
, which he
joined in 1993.He
is involved in state estimation, OPF, fault analysis and model conversion.He
has worked extensively on PCA's next generation estimator (see the Products section of this Web site).In 1988 he joined EMPROS, Minneapolis (now Siemens), and worked on state estimation R&D, emphasizing orthogonal transformation methods including sparse matrix techniques.He
has also worked in three-phase power flow and topology processing.His
paper "Enhancements to Givens rotations for power system state estimation" received the 1993 Baker Award for best IEEE paper in all fields.He has the B.S. degree from the Indian Institute of Technology, Madras, and the M.S. and Ph.D. degrees in electrical engineering from the University of Texas at Arlington.He is a Senior Member of the IEEE.
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